RCE in Microsoft Windows 11 Version 23h2

CVE-2026-69718

Improper neutralization of special elements used in a command ('command injection') in Windows Update allows an authorized attacker to elevate privileges locally.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69718?
CVE-2026-69718 is a high-severity vulnerability in Microsoft Windows 11 Version 23h2, classified under Command Injection. CVSS score: 7.8/10. Published 2026-10-13.
How severe is CVE-2026-69718?
High severity. CVSS v3 base score is 7.8 out of 10.